A203403 Number of (n+2)X6 binary arrays avoiding patterns 000 and 111 in rows and columns.
4374, 46746, 408432, 3858082, 35345798, 327725888, 3024430930, 27962750194, 258345914196, 2387518651034, 22061941665806, 203872962398440, 1883944523165954, 17409227897045550, 160875446788528448
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..1..0..1..0..1....0..1..0..1..0..0....1..0..1..0..1..0....1..1..0..1..0..1 ..0..1..1..0..1..0....0..1..0..0..1..0....0..0..1..0..1..1....1..0..0..1..1..0 ..1..0..0..1..0..1....1..0..1..0..0..1....1..1..0..1..0..0....0..1..1..0..0..1 ..1..0..0..1..0..1....1..0..1..1..0..0....0..1..0..1..1..0....1..0..1..1..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments